#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
int main()
{
	char a1[] = "abcdf";
	char a2[5]="*****";
	char* p1 = &a1[0];
	char* p2 = &a2[0];
	while (*p1 != '\0')
	{
		*p2 = *p1;
		p1++;
		p2++;
	}
	printf("%s\0", a2);
	return 0;
}